:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-primary: #2962FF;
    --aisitex-primary-hover: #1e4bd8;
    --aisitex-secondary: #0F172A;
    --aisitex-bg: #F8FAFC;
    --aisitex-text: #1E293B;
    --aisitex-text-light: #64748B;
    --aisitex-card-bg: #FFFFFF;
    --aisitex-max-width: 1200px;
}
*:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--aisitex-bg);
    color: var(--aisitex-text);
    line-height: 1.6;
}
/* Header & Navigation (Reused from Home Family) */
/* Main Content Layout */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: var(--aisitex-max-width);
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem;
}
/* Hero Download Section */
.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background-color: var(--aisitex-secondary);
    color: #FFFFFF;
    border-radius: 20px;
    padding: 4rem 3rem;
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
}
.aisitex-hero-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    z-index: 2;
}
.aisitex-chapter-tag:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: #93C5FD;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 3rem;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 1.5rem;
}
.aisitex-hero-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: #94A3B8;
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}
.aisitex-hero-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    z-index: 2;
    display: flex;
    justify-content: flex-end;
}
.aisitex-hero-img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
/* Download Matrix Section */
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 5rem;
}
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 2.5rem;
}
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 2rem;
    font-weight: 800;
    color: var(--aisitex-secondary);
    margin-bottom: 0.75rem;
}
.aisitex-section-summary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-light);
    font-size: 1.125rem;
}
.aisitex-matrix-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}
.aisitex-platform-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: var(--aisitex-card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid #E2E8F0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.aisitex-platform-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-4px);
    box-shadow: 0 12px 20px -3px rgba(0, 0, 0, 0.05);
}
.aisitex-platform-info h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--aisitex-secondary);
    margin-bottom: 0.5rem;
}
.aisitex-platform-version:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-block;
    background-color: #EFF6FF;
    color: var(--aisitex-primary);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
}
.aisitex-btn-download:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background-color: var(--aisitex-primary);
    color: #FFFFFF;
    font-weight: 600;
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(41, 98, 255, 0.3);
    transition: background-color 0.2s ease;
}
.aisitex-btn-download:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: var(--aisitex-primary-hover);
}
/* Installation Steps Section */
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.aisitex-step-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: var(--aisitex-card-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid #E2E8F0;
    position: relative;
}
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 2.5rem;
    font-weight: 800;
    color: #CBD5E1;
    margin-bottom: 1rem;
    line-height: 1;
}
.aisitex-step-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--aisitex-secondary);
    margin-bottom: 0.75rem;
}
.aisitex-step-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-light);
    font-size: 0.95rem;
}
/* Secondary Feature Showcase */
.aisitex-feature-showcase:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background-color: var(--aisitex-card-bg);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid #E2E8F0;
}
.aisitex-feature-img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}
/* Footer */
.aisitex-footer-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: var(--aisitex-max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}
/* Responsive Breakpoints */
@media (max-width: 968px) {.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        padding: 3rem 2rem;
    }
.aisitex-hero-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        justify-content: center;
    }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
    }
.aisitex-feature-showcase:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        padding: 2rem;
    }}
@media (max-width: 768px) {.aisitex-header.is-menu-open .aisitex-mobile-menu:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        display: flex;
    }
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 2.25rem;
    }}
body.is-lock-scroll:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    overflow: hidden;
}

.aisitex-header {
    font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1E293B;
}

.aisitex-header, .aisitex-header *{
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

.aisitex-header a{
            text-decoration: none;
            color: inherit;
        }

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #E2E8F0;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #0F172A;
        }

.aisitex-header .aisitex-brand-logo{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

.aisitex-header .aisitex-nav{
            display: flex;
            align-items: center;
            gap: 2rem;
        }

.aisitex-header .aisitex-nav-link{
            font-size: 0.95rem;
            font-weight: 500;
            color: #64748B;
            transition: color 0.2s ease;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #2962FF;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background-color: #0F172A;
            margin: 5px 0;
            transition: transform 0.2s ease;
        }

.aisitex-header .aisitex-mobile-menu{
            display: none;
            position: fixed;
            top: 73px;
            left: 0;
            width: 100%;
            height: calc(100vh - 73px);
            background-color: #F8FAFC;
            padding: 2rem 1.5rem;
            flex-direction: column;
            gap: 1.5rem;
            border-top: 1px solid #E2E8F0;
            z-index: 999;
        }

.aisitex-header .aisitex-mobile-menu .aisitex-nav-link{
            font-size: 1.25rem;
            font-weight: 600;
        }

.aisitex-header.is-menu-open .aisitex-mobile-menu{
            display: flex;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav{
                display: none;
            }

.aisitex-header .aisitex-menu-toggle{
                display: block;
            }}

.aisitex-footer {
    font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1E293B;
}

.aisitex-footer, .aisitex-footer *{
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #0F172A;
        }

.aisitex-footer .aisitex-brand-logo{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

.aisitex-footer{
            border-top: 1px solid #E2E8F0;
            padding: 3rem 0;
            background-color: #FFFFFF;
            margin-top: 4rem;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: center;
            text-align: center;
        }

.aisitex-footer .aisitex-footer-copy{
            font-size: 0.875rem;
            color: #64748B;
        }